Have you downloaded the SDK?
Have you visited: https://developer.cisco.com/site/physical-security/documentation/index.gsp ?
If you can trigger the required PTZ preset via cURL, there *may* be a way to easily integrate it to the existing product without taking the plunge to write a completely separate application. It really depends on what you are trying to accomplish.
Cheers
Scott Olsen
Solutions Specialist
Bulletproof Solutions Inc.
Web: www.bulletproofsi.com